Less tight PHP version requirement (#14)

Author: luza

README.md

@@ -15,7 +15,7 @@ PHP library for transliteration. 🇺🇦 :uk: :ru: :abcd:
 
 ## Requirements
 
-* PHP 7.1.3 *and later*
+* PHP 7.1 *and later*
 
 ## Install via Composer
 

composer.json

@@ -17,7 +17,7 @@
         "issues": "https://github.com/fre5h/transliteration/issues"
     },
     "require": {
-        "php": ">=7.1.3"
+        "php": ">=7.1"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^2.15",